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SETI
(Encyclopedia)SETI sĕtˈē [key] [Search for ExtraTerrestrial Intelligence], name given to a series of independent programs to detect radio signals from civilizations beyond the solar system. Modern SETI efforts c...broadcasting
(Encyclopedia)broadcasting, transmission, usually using radio frequencies, of sound or images to a large number of radio or television receivers. In the United States the first regularly scheduled radio broadcasts ...AM, abbreviation for amplitude modulation
(Encyclopedia)AM: see modulation; radio. ...FM, abbreviation for frequency modulation
(Encyclopedia)FM: see modulation; radio. ...Saca González, Elías Antonio
(Encyclopedia)Saca González, Elías Antonio ālēˈäs äntōˈnēō säˈkä gōnsälˈās [key], 1965–, Salvadoran political leader, president of El Salvador (2004–9), b. Usulután. “Tony” Saca worked as...Sarnoff, David
(Encyclopedia)Sarnoff, David, 1891–1971, American pioneer in radio and television, b. Russia. Emigrating to the United States in 1900, he worked for the Marconi Wireless Company, winning recognition as the narrat...Paley Center for Media
(Encyclopedia)Paley Center for Media, American archive of radio and television programs, and forum for the discussion of the role and evolution of electronic media as well as the intersections of media and society;...audio frequency
(Encyclopedia)audio frequency: see sound; radio. ...amplitude modulation
(Encyclopedia)amplitude modulation: see modulation; radio. ...Browse by Subject
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